
33
33
HCD-GNZ333D/GNZ444D
HCD-GNZ333D/GNZ444D
7-3. BLOCK DIAGRAM – MAIN Section –
+9V
R-CH
R-CH
R-CH
R-CH
R-CH
REG+9V
TH751
D555
D752
D556
+
–
+
–
+
–
TEMPERATURE
PROTECT
+9V
L-CH
R-CH
(PLAY)
(MOTOR)
LT
DO/ST/SD
FL
SCORE
XVOICE
R-CH
ERASE
HEAD
CAPSTAN
MOTOR
MIC MUTE
Q261
REC MUTE
Q103
BUFFER
Q102
RESET
Q463,464
REC
BIAS
OSC
Q501,502
–RESET
SI-SO
(SERVICE)
FLMD0
TU-SI
TU-CLK
TU-DO
TU-CE
TU-SD
VIDEO-MUTE
REC-SEL-B
REC-SEL-A
TP-STATE
BB-ON
REC-MUTE
MIC-DETECT
MIC AMP
IC261
INPUT FUNCTION
CONTROL
IC101
PB AMP
IC501
BASS BOOST
AMP
IC102
POWER AMP
IC751
FAN 001
FAN
MOTOR
S501
(REC/PB)
REC/PB HEA
REC AMP
IC502
AUDIO (REC) SELECT
IC105
MIC MIX
IC103
SYSTEM CONTROL
IC401 (2/3)
RESET
IC402
VCC
(IC401)
RV261
MIC
LEVEL
J261
MIC
J252
PHONES
J603
SUB WOOFER
OUT
TB101
GNZ444D
SPEAKER
IMPEDANCE:
USE 6
Ω
J251
TAPE MECHANS DECK
L501
Q558
MIC-DETECT
Q560
Q561
AUDIO IN
M
M
SWITCH
Q105,107
Q562
Q493
O-POWER
HP-DETECT
UNREG (+16V)
AMP-ON
PROTECT
CN410
B+ SWITCH
Q555
PROTECT
Q753
RELAY
DRIVER
Q551
FAN
CONTROL
Q552,554
FAN
PROTECT
Q556
PROTECT
LATCH
Q751,752
DC OFFSET
DETECT
Q013,014
REC-MUTE
TP-STATE
REC-SEL-A
REC-SEL-B
VIDEO-MUTE
1
5
4
+VP
–VP
M
M
L
R
HP-DETECT
AMP-ON
•
R-ch is omitted due to same as L-ch.
•
Signal Path
: TUNER (FM/AM)
: AUDIO (DVD)
: PB (TAPE)
: REC (TAPE)
: MIC
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299